Mid-values:115125135145155165175185195Frequency:62548721166038223
21 Aug 2020How to calculate missing frequency if median is known but N is not known
21 Aug 2020Find the missing frequency from the data provided below, when median mark is given
21 Aug 2020a manufacturer of jeans has plants in california, arizona and texas
21 Aug 2020In a set of 10 scores the value 2 occurs three times, the value 4 occurs twice, 6 occurs twice, and 7 occurs three times. What is the mean of the scores? a. (2 2 6 7)/4 b. (2 4 6 7)/10 c. (3*2 2*4 2*6 3*7)/4 d. (3*2 2*4 2*6 3*7)/10 If a teacher computes the mean for a...
21 Aug 2020The U.S. Census Bureau provides statistics on family life in the United States, including the age at the time of first marriage, current marital status, and size of household (U.S. Census Bureau website, March 20, 2006). The following data show the age at the time of first marria...
21 Aug 2020Calculate the variance and standard deviation for samples for which a. n = 10 , ∑x2 = 84, ∑x = 20 b. n = 40, ∑x2 = 380, ∑x = 100 c. n = 20, ∑x2 = 18, ∑x = 17
21 Aug 2020According to the Internal Revenue Service, 75% of all tax returns lead to a refund. A random sample of 100 tax returns is taken. a. What is the mean of the distribution of the sample proportion of returns leading to refunds? b. What is the variance of the sample proportion?...
21 Aug 2020Two distinct solid fuel propellants, type A and Type B, are being considered for a space program activity. From past data we know that the standard deviation of burning rate of two propellants are the same and equal to 5 cm/sec and the means of the burning rate for propellant A...
21 Aug 2020How to convert unequal intervals of open End seriesCI: below 50,50-70,70-100,100-150,150-180,above 180.Frequency:18,34,66,110,51,21.
21 Aug 2020Refer to the distribution of centipedes given in Exercise 3.S.2. Suppose four squares are chosen at ran- dom. Find the expected value (i.e., the mean) of the num- ber of squares that contain at least two centipedes.
21 Aug 2020Suppose 20% of the people in a city prefer Pepsi-Cola as their soft drink of choice. If a random sample of six people is chosen, the number of Pepsi drinkers could range from zero to six. Shown here are the possible numbers of Pepsi drinkers in a sample of six people and the prob...
21 Aug 2020The weight of a group of women has a population mean, µ, of 130130 pounds and a population standard deviation, s, of 1717 pounds. The distribution is right-skewed. Suppose a random sample is taken of 100 of these womens weights. Complete parts a and b below. a. What value should ...
21 Aug 2020For one study, researchers sampled over 100,000 first-time candidates for the certified public accountant (CPA) exam and recorded the total semester hours of college credit for each candidate. The mean and median for the data set were 142.25 and 136 hours, respectively. Interpret...
21 Aug 2020Must show all your work step by step in order to receive full credit; Excel is not allowed. The length of stay in a resort for vacation is recorded for a sample of 48 guests : Answer below (a-h) Length of Stay (Days) No. of Guests fx cf x^2 ?fx?^2 12 22 13 2 14 8 15 16 Total a) M...
21 Aug 2020Math 533 Applied Managerial Statistics Course Project A SALES CALL Part A: Exploratory Data Analysis Math 533 Applied Managerial Statistics Analyze the connections or relationships between the variables. Use 3 individual variables and 3 pairs of variables.
21 Aug 2020The respiratory system can be a limiting factor in maximal exercise performance. Researchers from the United Kingdom studied the effect of two breathing frequencies on both performance times and several physiological parameters in swimming. Subjects were 10 male collegiate swimme...
21 Aug 2020Find harmonic mean for simple frequency distribution
21 Aug 2020Find harmonic mean for the frequency distribution with class intervals
21 Aug 2020Find geometric mean for the simple frequency distribution
21 Aug 2020Find geometric mean for the frequency distribution with class intervals.
21 Aug 2020Find harmonic mean for 6,14,21,30
21 Aug 2020Find the average in the simplest method for the following frequency distribution
21 Aug 2020Find mean, median and mode for the data 3,6,7,6,2,3,5,7,6,1,4,10,6
21 Aug 2020The following data represent the lifetimes (in hours) of a sample of 40 transistors:112, 121, 126, 108, 141, 104, 136, 134121, 118, 143, 116, 108, 122, 127, 140113, 117, 126, 130, 134, 120, 131, 133118, 125, 151, 147, 137, 140, 132, 119110, 124, 132, 152, 135, 130, 136, 128(a) De...
21 Aug 2020SPSS DESCRIPTIVE STATISTICS ASSIGNMENT INSTRUCTIONS Using the Descriptive Statistics Data Set provided for this assignment, explore the data using measures of central tendency, measures of dispersion, and measures of relative position. Then, report the data in a clear, organized ...
21 Aug 2020Suppose we roll a fair die two times. (a) How many different samples are there? No of samples (b) List each of the possible samples. Compute the mean and the standard deviation
21 Aug 2020find out the missing frequencies of the followings series if the A.M is 35 and total number of item is 100.class interval frequency0-10 510-20 1020-30 ?30-40 440-50 2050-60 360-70 ?
21 Aug 2020The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.4 liters. A health campaign promotes the consumption of at least 2.0 liters per day. A sample of 10 adults after the campaign shows the following consumption in liters: At the ...
11 Aug 2020Following table define a project management plan; construct project network,draw Grantt chart, calculate minimum additional cash cost...
11 Aug 2020Henrique? Correas bakery prepares all its cakes between 4 A.M.and 6 A.M.so they will be fresh when customers arrive.? Day-old cakes are virtually always? sold, but at a? 50% discount off the regular ?$16 price. The cost of baking a cake is ?$10 and demand is estimated to be norma...
11 Aug 20201. Find the crude Mode for the following data:15, 14, 8, 14, 14, 11, 9, 9, 11.2. Compute the Mean, Median and Mode for the following distribution:
11 Aug 20201. What do you mean by Genetic Research? Enumerate the purpose and importance of Genetic Research in Education.2. Distinguish among Historical, Case study and Genetic method of research though all these methods are based on time sense approach.
11 Aug 20201. Define the term ‘History’. What is historical research?2. Enumerate the need and importance of historical research in education.3. Indicate the functions of history in education and historical sources.4. What are the various types of historical research? Describe the various s...
11 Aug 20201. Define the term ‘Sampling’. Differentiate between sample and population and illustrate your answer with examples.2. Distinguish between probability sampling and non-probability sampling. Mention the assumptions of a probability sampling.3. What do you mean by the term ‘Randomi...
11 Aug 20201. Why is it necessary to define a problem and delimiting a problem?2. How is a problem stated? Describe the various ways of defining a problem.3. Discuss characteristics of good problem and criteria for evaluating a problem.
11 Aug 20201. Define the term ‘Research’, Enumerate the characteristics of research. Give a comprehensive definition of research.2. Define the term ‘Research’. Describe the specific features of Research,3. Enumerate the main objectives of research and explain them in detail.
11 Aug 20201. What is resourcing?2. What is strategic resourcing?3. What is the essential nature of strategic resourcing?4. What is the strategic HRM approach to resourcing?5. What is meant by integrating business and resourcing strategies?6. What are the components of resourcing strategy?
11 Aug 2020Gubser Welding, Inc., operates a welding service for construction and automotive repair jobs. Assume that the arrival of jobs at the companys office can be described by a Poisson probability distribution with an arrival rate of one job per 8-hour day. The time required to complet...
11 Aug 2020A business executive has the option to invest money in 2 plans A and B. Plan A guarantees an income of Rs70 for every Rs100 invested after one year, while Plan B promises an income of Rs200 for every Rs100 invested after 2 years. In Plan A, investments can be made annually, and i...
11 Aug 2020A young couple has $20,000 (90% of their savings) to invest in either savings bonds or a real estate deal. The (zero coupon) savings bonds return $25,000 ($5,000 interest) in three years. The (completely liquid) real estate investment, after three years, is worth $100,000 if econ...
11 Aug 2020We would like to see how a citys location can help predict its weather. The latitude (in degrees north of the equator) and average January temperature (in degrees Celsius) are shown below for a sample of cities in the northern hemisphere: (a) Using JMP, create a scatterplot of th...
11 Aug 2020A university cafeteria line in the student center is a self-serve facility in which students select the food items they want and then form a single line to pay the cashier. Students arrive at a rate of about four per minute according to a Poisson distribution. The single cashier ...
10 Aug 2020Bill First, general manager of Worthmore Department Store, has estimated that every hour of customer time spent waiting in line for the sales clerk to become available costs the store $100 in lost sales and goodwill. Customers arrive at the checkout counter at the rate of 30 per...
10 Aug 2020For the post office in Problem 13-17, a second drive through window is being considered. A single line would be formed and as a car reached the front of the line it would go to the next available clerk. The clerk at the new window works at the same rate as the current one. (a) W...
10 Aug 2020An increase in the size of the barge unloading crew at the Port of New Orleans (see Section 14.5) has resulted in a new probability distribution for daily unloading rates. In particular, Table 14.10 may be revised as shown here: DAILY UNLOADING RATE PROBABILITY 1 ……………………………….....
10 Aug 2020Do you think the application of simulation will increase strongly in the next 10 years? Why or why not?
10 Aug 2020Refer to Problem 14-19. Suppose the sale of football programs described by the probability distribution in that problem only applies to days when the weather is good. When poor weather occurs on the day of a football game, the crowd that attends the game is only half of capacity....
10 Aug 2020Statewide Development Corporation has built a very large apartment complex in Gainesville, Florida. As part of the student-oriented marketing strategy that has been developed, it is stated that if any problems with plumbing or air conditioning are experienced, a maintenance perso...
10 Aug 2020
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